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Professor Finbarr Calamitous is a recurring villain from The Adventures of Jimmy Neutron: Boy Genius. He is the father of Beautiful Gorgeous' father and a former student of Ms. Fowl (despite his age, though he could've been held back several times), and is Jimmy's arch-nemesis. He may be in his 50s, 60s, or in his 70s.
Calamitous appears in "Professor Calamitous, I Presume", "Operation: Rescue Jet Fusion", "The Great Egg Heist", "Lights! Camera! Danger!", "My Big Fat Spy Wedding", "Jimmy Timmy Power Hour 2: When Nerds Collide", and The League of Villains.
Calamitous is a tiny, near-sighted, eccentric, old genius, who is one of the most brilliant evil minds on the planet, though he has a bad habit of never finishing what he starts. Calamitous is determined to get Jimmy to finish his projects for him because he can't finish them himself.
Professor Calamitous was once a brilliant little boy who never finished anything, from food to even his sentences. His inability to finish things lead him to never finishing his homework as noted by Ms. Fowl, which strengthens the idea he was held back. Later he overcomes this and is heard completing sentences after he took a self-help class (as seen in "Operation: Rescue Jet Fusion", "The Great Egg Heist", and "When Nerds Collide"). Calamitous also seems to like Ms. Fowl despite his age. He often wears a lab coat, long black gloves, and eyeglasses. Calamitous has gray hair (despite being bald).
Calamitous is also the final boss in Nicktoons Unite! and Nicktoons: Attack of the Toybots, where he faced (besides Jimmy and Timmy) Danny, SpongeBob and other heroes. He also appeared in the 2006 PC game Nicktoons Winners Cup Racing as an unlockable character.
- At a total of eleven appearances across both the show and the video games, Calamitous is considered the main Jimmy Neutron villain.
- Even after taking the self-help class, there are still times where Calamitous may not finish things, as he admits not to finishing the class. Since he also stated that he meant to finish, it's possible that after "Operation: Rescue Jet Fusion", he did make up for the session he missed and has now completely overcome it.
|The Adventures of Jimmy Neutron: Boy Genius|
|Characters||Main characters|| Jimmy • Goddard • Carl • Sheen • Cindy • Libby|
|Supporting characters|| Hugh • Judy • Nick • Britney • Butch • Betty • Bolbi • Miss Fowl • Sam|
|Villains||King Goobot • Ooblar • Poultra • Finbarr Calamitous • Beautiful Gorgeous|
|Productions||Interstitial shorts • Movie • Episodes • Video releases • Jimmy Neutron's Nicktoon Blast • Planet Sheen|
|Video games||Jimmy Neutron: Boy Genius • Vs. Jimmy Negatron • Jet Fusion • Attack of the Twonkies|